switch runtime.GOOS {
		case "aix":
			var major, minor uint32
			major = uint32((dev & 0x3fffffff00000000) >> 32)
			minor = uint32((dev & 0x00000000ffffffff) >> 0)
			h.Devmajor, h.Devminor = int64(major), int64(minor)
		case "linux":
			// Copied from golang.org/x/sys/unix/dev_linux.go.
			major := uint32((dev & 0x00000000000fff00) >> 8)
			major |= uint32((dev & 0xfffff00000000000) >> 32)

)

var (
	version1_17 = &version.Info{
		Major:      "1",
		Minor:      "17",
		GitVersion: "1.17",
	}
	version1_8 = &version.Info{
		Major:      "1",
		Minor:      "8",
		GitVersion: "v1.8",
	}
	version1_18 = &version.Info{
		Major:      "1",
		Minor:      "18",
		GitVersion: "v1.18.5",
	}
	version1_19 = &version.Info{
		Major:      "1",
		Minor:      "19",
		GitVersion: "v1.19.4",
	}

	}
	info.Used = info.Total - info.Free
	return info, nil
}

// GetDriveStats returns IO stats of the drive by its major:minor
func GetDriveStats(major, minor uint32) (iostats IOStats, err error) {
	return IOStats{}, errors.New("operation unsupported")

					info.Rotational = &rot
				}
			}
		}
	}

	return info, nil
}

// GetDriveStats returns IO stats of the drive by its major:minor
func GetDriveStats(major, minor uint32) (iostats IOStats, err error) {
	return readDriveStats(fmt.Sprintf("/sys/dev/block/%v:%v/stat", major, minor))
}

func readDriveStats(statsFile string) (iostats IOStats, err error) {
	stats, err := readStat(statsFile)
	if err != nil {

// Files - total inodes available
// Ffree - free inodes available
// FSType - file system type
// Major - major dev id
// Minor - minor dev id
// Devname - device name
type Info struct {
	Total      uint64
	Free       uint64
	Used       uint64
	Files      uint64
	Ffree      uint64
	FSType     string
	Major      uint32
	Minor      uint32
	Name       string
	Rotational *bool
	NRRequests uint64
}

	}

	if bytes.Equal(buf[4:8], []byte("1   ")) {
		// Set as 1,0.
		major, minor = 1, 0
	} else {
		major, minor = binary.LittleEndian.Uint16(buf[4:6]), binary.LittleEndian.Uint16(buf[6:8])
	}
	if major > xlVersionMajor {
		return buf[8:], major, minor, fmt.Errorf("xlMeta: unknown major version %d found", major)
	}

	return buf[8:], major, minor, nil
}

const xlMetaInlineDataVer = 1

	}
	info.Used = info.Total - info.Free
	return info, nil
}

// GetDriveStats returns IO stats of the drive by its major:minor
func GetDriveStats(major, minor uint32) (iostats IOStats, err error) {
	return IOStats{}, errors.New("operation unsupported")

	}
	info.Used = info.Total - info.Free
	return info, nil
}

// GetDriveStats returns IO stats of the drive by its major:minor
func GetDriveStats(major, minor uint32) (iostats IOStats, err error) {
	return IOStats{}, errors.New("operation unsupported")

	}
	info.Used = info.Total - info.Free
	return info, nil
}

// GetDriveStats returns IO stats of the drive by its major:minor
func GetDriveStats(major, minor uint32) (iostats IOStats, err error) {
	return IOStats{}, errors.New("operation unsupported")

		return "", fmt.Errorf("unable to stat `%s`: %w", path, err)
	}

	devID := uint64(stat.Dev)
	major := (devID & 0x00000000000fff00) >> 8
	major |= (devID & 0xfffff00000000000) >> 32
	minor := (devID & 0x00000000000000ff) >> 0
	minor |= (devID & 0x00000ffffff00000) >> 12

	return fmt.Sprintf("%d:%d", major, minor), nil
}

func filterLocalDisks(node, args string) ([]localDisk, error) {
	var result []localDisk